This work is a concise biography of the life of the "Great-Heart," Theodore Roosevelt, who was considered the most inspiring and, hence, the most dominant figure in national life at that time since Lincoln. His influence on American youth and upon the people as a whole was an uplifting one. The work brings out Roosevelt's intense Americanism, his passion for fair play, and his brave and distinctive character. "Great-Heart" is written with an objective to give the readers a broad idea of his childhood, his youth, and many of the things he did, his high standards, his purity of purpose, his devoted patriotism, his fondness of the outdoor life, and his knowledge not only of towns and cities, but of the wild areas of the world and the people, animals, and birds who reside in them. Content includes: "A Reg'lar Boy" Roosevelt in the Bad Lands Broncos and Bears Champion of Women and Children Keeping Fit Roosevelt's "Cops" Roosevelt's Influence on American Naval Affairs Roosevelt's Rough Riders Campaigning in Cuba The Great Peace-Maker Roosevelt's Political Victories First Years in the Presidency Good Will Abroad; a Square Deal at Home The "Bull Moose" From White House to Jungle The River of Doubt Roosevelt's Part in the World War Great-Heart